Answer:
I really hope this help you mam
Answer:
Work out the Mean (the simple average of the numbers)
Then for each number: subtract the Mean and square the result.
Then work out the mean of those squared differences.
Take the square root of that and we are done!
A=1
45(5+25)a2=1
4·5·(5+2·5)·122≈247.74875
247.75
Answer:
sorry I don't remember bye I will try to remember
Yes they are right you did a great job!